IPDebrief

18.239.166.231

IP Intelligence Dossier
Your IP: 216.73.217.34
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Intelligence Briefing: 18.239.166.231

The address was identified as part of the AMAZON-CF network (AS16509) operated by Amazon.com, Inc. The reputation was classified as Low Risk with a risk score of 25. DNS records resolved the IP to the cloudfront.net domain, specifically server-18-239-166-231.bos50.r.cloudfront.net. Network analysis revealed open TCP ports 80 and 443 with a CloudFront server banner. A TLS certificate issued by Amazon RSA 2048 M04 was observed for the subject *.cloudfront.net. No threat indicators were present, and the blacklist count was zero. The surrounding subnet was classified as mostly_clean. The assessment recommended monitoring the address.

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.

🌍 Geolocation

Country🇺🇸 United States
RegionUS-MA
CityBoston
Timezone—
Latitude42.36
Longitude-71.06

🏢 Ownership & Registration

OrganizationAmazon.com, Inc.
ASNAS16509
Network NameAMAZON-CF
CIDR Block18.238.0.0/15
RIRARIN
CountryUnited States
Abuse ContactAvailable via RDAP

🌐 DNS Intelligence

PTRserver-18-239-166-231.bos50.r.cloudfront.net
Forward ConfirmedYes — FCrDNS verified
Forward Hostnamesserver-18-239-166-231.bos50.r.cloudfront.net

🔐 DNS Hygiene

Hygiene Score80% (Excellent)
SPFPresent
DMARCPresent
FCrDNSVerified
DNSSECNot signed
CAAPresent

☁️ Network Classification

InfrastructureUnknown
Service PurposeWeb Server
Network TierUnknown — Insufficient routing data to classify
No specific classification

🔌 Services & Open Ports

PortServiceProtocolBanner
80httptcp—
443httpstcp—
Closed Ports22, 25, 3389, 8080, 8443 (2 open / 7 scanned)
ServerCloudFront
HTTP Title—

🔐 TLS Certificate

🔒
CN=*.cloudfront.net
Issued by CN=Amazon RSA 2048 M04, O=Amazon, C=US
Self-signed: No
SANs*.cloudfront.netcloudfront.net
Valid From2026-08-25T00:00:00+00:00
Valid Until2027-03-10T23:59:59+00:00
TLS ProtocolTls13
Cipher SuiteTLS_AES_128_GCM_SHA256
Signature Algorithmsha256RSA
Validity Period197 days
Serial Number015E89F2D093DD92CD82A78C09A033C6
Thumbprint5E9C8C0323F32C16F1D3F82DAE8E8E2D88E96056

🎯 Confidence Breakdown

Per-dimension confidence scores based on source diversity and data freshness

DimensionScoreSourcesObservations
threat
25%
11
routing
25%
11
services
25%
11
ownership
0%
00
reputation
0%
00
geolocation
0%
00
Overall12%33
Coverage: 3/6 dimensions · Data sufficiency: partial
Data CoherenceConsistent (100%)
AttributionModerate (70%)
OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid

📅 Observation Timeline 🔄 Live

First Seen2026-09-26 18:32:28 UTC
Last Seen2026-09-26 18:32:28 UTC
Profile Built2026-09-26 18:46:45 UTC
Data FreshnessLive
Signal Types22
Total Observations22
🔍 22 signal types · 22 observations collected
This report is generated from 22+ independent intelligence signals including ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds, behavioral fingerprinting, and more.
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ℹ️ About This Report

All data shown is publicly available network metadata — IP addresses do not reliably identify individuals. Assessments are probabilistic and should not be used as sole basis for access control decisions. To report an issue or request data review, contact admin@ipdebrief.com.